5年级数学简便运算100道!快啊!很急
1个回答

1125-997 998+1246+9989 (8700+870+87)÷87

125×8.8 1.3+4.25+3.7+3.75 17.15-(3.5-2.85)

3.4×99+3.4 4.8×1.01 0.4×(2.5÷73)(1.6+1.6+1.6+1.6)×25 ( + - )÷

12.3-2.45-5.7-4.55 2 + 0.125×0.25×64

64.2×87+0.642×1300 78×36+7.8×741-7 17+ 8

0.125× +0.5 2.42 +4.58 -43

25÷100 4.25-3 -(2 -1 )

(1)1.25*17.6+36.1/0.8+2.36*12.5

(2)7.5*2.3+1.9*2.5

(3)2004/2003*2005

(4)276*543-267/276+543*275

(5)17/51+ (68/1+51/2)*17

(6)(3.25-0.8*8/5)/(6又4/1-3.5)

1.843+78-43 2.843-86+157 3.25x96x125 4.7500除125除5

5.72x53+41x24 6.2539-1999 7.75x37+19x25

8.38x82+38+38x17

9.975x38 10.454500除(25x45)

907*99+907

多了点,没关系吧...